最終更新日：2025/12/04
Along the sandy channel, the diver carefully brushed sediment away to reveal a horse mussel anchored by its byssus, its thin, dark, wedge-shaped shell bristling with hollow spines.
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Along the sandy channel, the diver carefully brushed sediment away to reveal a horse mussel anchored by its byssus, its thin, dark, wedge-shaped shell bristling with hollow spines.
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